Nasal congestion Nasal congestion is a stuffy nose, and can be accompanied by blocked ears, sore throat, and more. Pleural effusion Pleural effusion is buildup of fluid in the pleura and can cause difficulty breathing or chest pain.
A hydroelectric dam is essentially a mechanical gateway that can control how often, how much, and how fast the water is allowed to passed through. Water above the dam is collected and stored into a reservoir.
A renewable resource, hydroelectric energy is generated when flowing water passes through a dam. The dam has turbines inside, and just like the wind blows the blades of a pinwheel without a passing thought, water spins the turbines without blinking an eye.